PSI
PSI 22L HO
PSI 22L HO is a 21.93 L V12 spark-ignition natural-gas generator engine. Natural-gas ratings: 60 Hz standby 500 kWe / 570 kWm. Ratings exclude propane/LPG data and were verified from PSI Power Systems Y24 brochure, natural-gas columns.
- Standby Power · 60 Hz
- 625 kVA
- Electrical Output
- 500 kWe
- Cylinders
- V12
- Displacement
- 21.93 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Standby Power | 570 | 500 | 625 |
PSI 22L HO generator set context
The PSI 22L HO is listed here as a natural gas generator-drive engine for 60 Hz generator sets, with a headline 625 kVA / 500 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
Also searched as
Technical Specifications
| Brand | PSI |
| Model | 22L HO |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 21.93 L |
| Compression Ratio | 10.5:1 |
| Dry Weight | 1650 kg |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | EPA |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the PSI 22L HO?
The PSI 22L HO is rated at 625 kVA standby at 60 Hz (1,800 rpm).
Does the 22L HO run at 50 Hz or 60 Hz?
The PSI 22L HO is rated for 60 Hz (1,800 rpm).
What fuel does the PSI 22L HO use?
The PSI 22L HO is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 22L HO?
The PSI 22L HO is a V12 (12-cylinder) engine with a displacement of 21.93 L.
What emissions standard does the 22L HO meet?
The PSI 22L HO is certified to U.S. EPA Stationary emissions standards.
Is the PSI 22L HO still in production?
Yes — the PSI 22L HO is a current production model.
Is a datasheet available for the 22L HO?
Yes — an official PSI datasheet for the PSI 22L HO can be downloaded from this page.
Related Engines
Reference
- Canonical page
- /engines/psi-gas-22l-ho
- Last database update
- 2026-07-24
- Manufacturer files
- 2 datasheets linked
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